A drilling of an ultra-precise hole is a tough job for any mechanist. It is must to understand the behavior of material, surface regularities or irregularities and geometry of drill point, in order to do accurate holes. Our offered spotting drill can be used to make accurate holes, without drill walking. Precision drilling can be achieved with Spotting Drill Bits. It is important to mark the spot first and create a small divot. This is done to know the correct center of drill to start a plunge. Get your hands on this tool to get your drilling job done.
Product Features of Spotting Drill Bits:1) The concentricity of cutting edge and shaft of the spotting drill are controlled within +0 ~ -3 um (+0 ~ -0.003 mm).
2) It is apt tool to drill for Acrylics, Aluminum, Engineered Plastic, Inorganic Materials, Copper, Carbon Steel, SS and so on.
3) Imported Micro grain (Carbide) tungsten carbide rods from Europe and Japan were used as standard materials.
4) Customers will get their products delivered by DHL Express Worldwide or Amazon Fulfillment, within three working days.
5) Customers can contact us for custom tooling design service.
6) The two kinds of spotting drill are single cutting flute and double cutting flute. The diameter of spotting drill ranging from 0.02 to 0.05 mm is single flute, and more than 0.05 mm diameter is double flute.
7) The web thickness of the spot drill is thin. The hole blurr in spotting hole is avoided by the helix angle integrated.
8) We deliver the spot drills within 3 working days, except for remote locations.
We can customize the size and flute length as your request
|Spotting Drill Size Chart|
|Cutting Diameter Ã (mm)||Cutting Length L (mm)||Point AngleÂ°||Cutting Diameter Ã (mm)||Cutting Length L (mm)||Point AngleÂ°|
|0.020 ~ 0.050||2 Ã||90Â°||0.60 ~ 0.70||1.5 Ã||90Â°|
|0.050 ~ 0.080||2 Ã||90Â°||0.70 ~ 0.80||1.5 Ã||90Â°|
|0.080 ~ 0.100||2 Ã||90Â°||0.80 ~ 0.90||1.5 Ã||90Â°|
|0.100 ~ 0.150||1.5 Ã||90Â°||0.90 ~ 1.00||1.5 Ã||90Â°|
|0.150 ~ 0.200||1.5 Ã||90Â°||1.00 ~ 1.10||1.5 Ã||90Â°|
|0.20 ~ 0.30||1.5 Ã||90Â°||1.10 ~ 1.20||1.5 Ã||90Â°|
|0.30 ~ 0.40||1.5 Ã||90Â°||1.20 ~ 1.30||1.5 Ã||90Â°|
|0.40 ~ 0.50||1.5 Ã||90Â°||1.30 ~ 1.40||1.5 Ã||90Â°|
|0.50 ~ 0.60||1.5 Ã||90Â°||1.40 ~ 3.15||1.5 Ã||90Â°|
* Cutting Length L (mm) = 2Ã (2 Times Cutting Diameter), 1.5Ã (1.5 Times Cutting Diameter).
* 0.020~0.050 Spotting Drill is Single Cutter. Provide each 1 um (0.001 mm) a specification.
* Customize our Spotting Drillâs cutter length (L1), neck length (L2), neck diameter(Ã2) and point angle (Î¸) for your request.
Spotting Drill 0.02 x 0.04 L
Spotting Drill 0.3 x 0.45 L
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8F.-2, No.13, Wuquan 1St Road, Xinzhuang Dist., New Taipei City, Northern Taiwan, 242, Taiwan